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Population & demographics
All demographic data for San Michele di Serino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Michele di Serino.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Michele di Serino.
San Michele di Serino is a small municipality in the province of Avellino, Campania region. With a population of 2391 inhabitants and a density of 535 per km², it covers an area of 4,5 km². The average declared income is 18.671 €.
San Michele di Serino in numbers: the analysis
Demographic projections to 2050 estimate about 2,072 inhabitants for San Michele di Serino: an expected decline of 13.3% from today.
Among the 118 municipalities of the province of Avellino, San Michele di Serino ranks 47 by population.
San Michele di Serino has grown substantially since 1951: from 1,990 inhabitants then to 2,391 in 2026, an increase of 20.2%.
The generational balance is in line with the norm: the ageing index of San Michele di Serino is 214 (over-65s per 100 under-14s).
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 362
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Michele di Serino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-michele-di-serino-064084" title="Population pyramid of San Michele di Serino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-michele-di-serino-064084" alt="Population pyramid of San Michele di Serino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>